Number of Indian restaurants in the UK

The table exhibite for us about the number of Indian restaurants in the UK. Base on the above information, we can realized the year-by-year change.
In 60s, 70s of last century, the number of Indian restaurants is stay below 2000. But, form 1980 onwards, Indian restaurants in UK appeared fastly, it increased to upper 2000 in 1980, about 5000 in 1990, reached nearly 8000 restaurants in 1997 and reached 8000 in the finally year of 20th century. And in 2007, the number increased to 9000. In 2009 onwards, the number of Indian restaurants in UK started to settle down, it was up to over 9000 and after that it decreased not significantly. Overall, Indian restaurants in UK increased significantly from 90s to now. Those numbers helped us to realize tremendous growth of Food service industry.